When the European Space Agency's ExoMars Trace Gas Orbiter pointed its surface-imaging camera deep into space on October 3, 2025 — the first time any spacecraft orbiting another planet had ever ...

It has been a busy month for astronomy. In the midst of an eclipse season bookended by the total solar eclipse on Aug. 12 and the deep partial lunar eclipse coming up this week on Aug. 28, an outbound ...

NASA's Astronomy Picture of the Day published today its most urgently time-sensitive comet feature in years: a long-exposure photograph of Comet 220P/McNaught, a normally invisible Jupiter-family ...

Several of NASA's space-based missions have observed Interstellar Comet 3I⧸ATLAS. As it approaches Mars, orbiters and rovers may catch a glimpse as well. Credit: NASA/JPL-Caltech Ilhan Omar scores ...

China’s Tianwen-1 orbiter captured a faint but remarkable view of 3I/ATLAS as the interstellar comet raced past Mars. The images reveal its tail and glowing coma, offering scientists a glimpse of ...

Known for their speed, the Eta Aquarids will reach their peak on Tuesday night into Wednesday morning. By Katrina Miller Our universe might be chock-full of cosmic wonder, but you can observe only a ...

A comet named C/2025 R3 (PanSTARRS) is expected to be one of the brightest skywatching events of 2026. Astronomers expect April 17 to be one of the best mornings for viewing in California, depending ...

A newly discovered comet, C/2025 R3 (PanSTARRS), could be the brightest of its kind visible from Earth in 2026. The comet will make its closest approach to the sun on April 19 and its closest approach ...

Time to look up stargazers. There's another comet coming our way. A newly discovered comet, comet C/2025 R3 (PanSTARRS), which appears to have been traveling in the solar system since September, is ...

A brightening comet on a once-in-170,000 years visit to the inner solar system is becoming easier to find before sunrise — and Thursday, April 16, is an ideal time to see it before it gets too close ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A brightening comet is becoming easier to see before sunrise ...